Home / 8,111.12-11,192.33-4,753.17

Finding the Fourth Proportional to 8,111.12, 11,192.33 and 4,753.17

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Solution

The fourth proportional to 8,111.12, 11,192.33 and 4,753.17 is: 6,558.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,111.12 : 11,192.33 = 4,753.17 : x
  2. Step 2: Convert to fraction form
    8,111.12/11,192.33 = 4,753.17/x
  3. Step 3: Cross multiply
    8,111.12x = 11,192.33 × 4,753.17
  4. Step 4: Simplify right side
    8,111.12x = 53,199,017.10
  5. Step 5: Solve for x
    x = 53,199,017.10/8,111.12
  6. Step 6: Final answer
    x = 6,558.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.